Method
How it works
- Choose indicative prices by type of work or enter your own base cost per m².
- Set area, quality, contingency and tax; quality only adjusts indicative prices.
- Compare three scenarios and download the total and per-m² costs.
renovations · explainable cost range
ReformaTotal
Estimate a minimum, central and maximum range for your renovation according to surface area, type of work, quality, taxes and reserve for unforeseen events.
Free renovation cost estimator per m² with three scenarios, contingency, taxes and printable CSV.
No accountLocal processingVisible assumptions
01 · Your inputs
Defines work, meters, quality and unforeseen events
Select an editorial range by project type.
m²
€/m²
Used only when “Enter my own cost per m²” is selected.%
%
We use an indicative range for the selected work and quality. You can replace it with your own price per m².
02 · Result
Total range and cost per m²
Calculation ready6653–16.262 €
Illustrative range for bathroom, 6 m² and Medium specification. These are sample unit prices, not current regional rates.
10.349 €Central estimate
1725 €Central cost/m²
12%Contingency allowance
- Minimum
- 6653 €
- Central
- 10.349 €
- Maximum
- 16.262 €
- Assumed tax
- 10%
- The reference prices are illustrative. The selected specification adjusts that range.
- This is not a binding quote. Compare the result with dated local prices and quotations.
- Review structure, asbestos, facilities, licenses and permits with competent professionals.
When to use it
Use cases
- Prepare a target budget.
- Compare scope and qualities.
- Detect the effect of taxes and reservation.
Limits
Sources and scope
Unit prices are an editorial sample, not current regional data or a binding quote.
Privacy by design
Privacy →Your data stays on this device
The tool calculates and creates files in your browser. It needs no account and does not send your input to Chapa Lab.